SDK Script serial-write.are

/* DESC: This script can be used to write a message to the serial port.
 * Copyright (C) 2012 NetModule AG, Switzerland
 */
 
void usage()
{
    printf("usage: serial-write.are <msg>\n");
    exit(1);
}
 
if (argc < 2) {
    usage();
}
 
DEV = "SERIAL1";
MSG = argv[1];
 
 
/* check serial port config */
st = nb_config_get("serial.0.status");
if (st != "2") {
    printf("Serial port is not enabled for us\n");
    exit(1);
}
 
ret = nb_serial_setattr(DEV, 115200, 8, 1, 0, 0);
if (ret != 0) {
    printf("Could not set serial attributes: %i \n",ret);
    exit(1);
}
 
fd = nb_serial_open(DEV);
if (fd < 0) {
    printf("Unable to open %s\n", DEV);
    exit(1);
}
 
message = strcat(MSG, "\r\n");
ret = write(fd, message, strlen(message));
if (ret> 0) {
    printf("Wrote %d bytes to %s\n", ret, DEV);
} else {
    printf("Unable to write to %s\n", DEV);
}
close(fd);
 
exit(0);